Question

Calculate the resistance of a bulb rated 40 w, 230 v. When in condition on

Answer 1

The rated resistance for the bulb is 1322.5 ohm.

1. The formula for power is P=V×V/R.Where P is power, V is voltage and R is the resistance.
2. So, 40=230×230/R
3. Therefore, R=1322.5 ohm

Answer 2

Answer:1322.5ohm

Explanation:

The formula for power is P=V×V/R.Where P is power, V is voltage and R is the resistance.

So, 40=230×230/R

Therefore, R=1322.5 ohm